TY - JOUR A1 - Zellweger, C. A1 - Hüglin, C. A1 - Klausen, J. A1 - Steinbacher, M. A1 - Vollmer, M. A1 - Buchmann, B. T1 - Inter-comparison of four different carbon monoxide measurement techniques and evaluation of the long-term carbon monoxide time series of Jungfraujoch JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 11 SP - 3491 EP - 3503 Y1 - 2009/06/02 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/9/3491/2009/ L1 - https://acp.copernicus.org/articles/9/3491/2009/acp-9-3491-2009.pdf DO - 10.5194/acp-9-3491-2009 ER -